NS LM1972M/NOPB

音量控制消费类音频，专业音频2SPI4.5V ~ 12V

Overview

The LM1972M/NOPB is a digitally controlled 2-channel 78dB audio attenuator fabricated on a CMOS process. Each channel has attenuation steps of 0.5dB from 0dB–47.5dB, 1.0dB steps from 48dB–78dB, with a mute function attenuating 104dB. Its logarithmic attenuation curve can be customized through software to fit the desired application.

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Features

Bulk Package
With 20-SOIC (0.295, 7.50mm Width) channels
operate temperature at the range of 0°C~70°C TA
consumer IC type: CONSUMER CIRCUIT
with 16 bits

Surface Mount Mounting Type

Applications

There are a lot of Texas Instruments
LM1972M/NOPB Audio Special Purpose applications.

• Digital Television
• Musical Instruments
• Recording Systems
• High-End Audio/Sound Card for PC
• Replacement of DIR1703
• Other Applications Requiring S/PDIF Receiver
• Audio Differential Line Drivers
• Audio Mix Consoles
• Distribution Amplifiers
• Graphic and P arametric Equalizers